Various functions in Joomla require certain text to be displayed. These values are stored in various text files and previously you could only change the text by finding and downloading the correct file, changing the text and then uploading the file again. And then repeating the process if you got it wrong. Fortunately there is a much easier solution now and this post explains how to use the language override feature.

How to change the text that appears with many common Joomla functions.